hoothoot doesn't learn fly by itself, in fact NO Pokemon does. You have to teach fly to it with a HM. In diamond/pearl/platinum, you get it in team Galatics wherehouse in Veilston city. In soulsilver/heartgold, after you defeat Cianwood gym leader Chuck there's a lady outside of the gym that gives it to you when you talk to her. In Black/White, after you defeat the Driftveil gym leader, you fight Bianca and she gives it to you. I hope this was of some help, if not, I got all this off Google...
HOOTHOOT learns Peck, uproar, hypnosis and reflect and then at level 20 he /she evolves into Noctowl
No.
Hoothoot evolves into noctowl at level 20.
lvl 20
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Hoothoot cannot learn gust.
Level 94 But must have the skills earthquake & zap cannon
HOOTHOOT learns Peck, uproar, hypnosis and reflect and then at level 20 he /she evolves into Noctowl
hoothoot evolves into noctowl at level 25
hoothoot evolves at level 20+
Hoothoot evolves at level 20.
Hoothoot evolves at level 20.
hoothoot llearns hipnosis at level 5.
Hoothoot evolves into Noctowl at level 20.
Hoothoot evolves into Noctowl at level 20.
Hoothoot evolves at level 20 in to Nocowl.
At Level 20 Hoothoot evolves into Noctowl.